{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T01:19:29Z","timestamp":1777511969449,"version":"3.51.4"},"reference-count":44,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2021,3,10]],"date-time":"2021-03-10T00:00:00Z","timestamp":1615334400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002749","name":"Belgian Federal Science Policy Office","doi-asserted-by":"publisher","award":["SR\/00\/33"],"award-info":[{"award-number":["SR\/00\/33"]}],"id":[{"id":"10.13039\/501100002749","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003074","name":"Agencia Nacional de Promoci\u00f3n Cient\u00edfica y Tecnol\u00f3gica","doi-asserted-by":"publisher","award":["PICT 2014-0455"],"award-info":[{"award-number":["PICT 2014-0455"]}],"id":[{"id":"10.13039\/501100003074","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Estimating water reflectance accurately from satellite optical data requires implementing an accurate atmospheric correction (AC) scheme, a particularly challenging task over optically complex water bodies, where the signal that comes from the water prevents using the near-infrared (NIR) bands to separate the perturbing atmospheric signal. In the present work, we propose a new AC scheme specially designed for the R\u00edo de la Plata\u2014a funnel-shaped estuary in the Argentine\u2013Uruguayan border\u2014highly scattering turbid waters. This new AC scheme uses far shortwave infrared (SWIR) bands but unlike previous algorithms relates the atmospheric signal in the SWIR to the signal in the near-infrared (NIR) and visible (VIS) bands based on the decomposition into principal components of the atmospheric signal. We describe the theoretical basis of the algorithm, analyze the spectral features of the simulated principal components, theoretically address the impact of noise on the results, and perform match-ups exercises using in situ measurements and Moderate Resolution Imaging Spectrometer (MODIS) and Visible Infrared Imaging Radiometer Suite (VIIRS) imagery over the region. Plausible water reflectance retrievals were obtained in the NIR and VIS bands from both simulations and match-ups using field data\u2014with better performance (i.e., lowest errors and offsets, and slopes closest to 1) compared to existing AC schemes implemented in the NASA Data Analysis Software (SeaDAS). Moreover, retrievals over images in the VIS and NIR bands showed low noise, and the correlation was low between aerosol and water reflectance spatial fields.<\/jats:p>","DOI":"10.3390\/rs13061050","type":"journal-article","created":{"date-parts":[[2021,3,10]],"date-time":"2021-03-10T20:51:42Z","timestamp":1615409502000},"page":"1050","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Atmospheric Correction of Satellite Optical Imagery over the R\u00edo de la Plata Highly Turbid Waters Using a SWIR-Based Principal Component Decomposition Technique"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9277-6882","authenticated-orcid":false,"given":"Juan Ignacio","family":"Gossn","sequence":"first","affiliation":[{"name":"Instituto de Astronom\u00eda y F\u00edsica del Espacio (IAFE), CONICET-Universidad de Buenos Aires, Pabell\u00f3n IAFE, Ciudad Universitaria, Ciudad Aut\u00f3noma de Buenos Aires C1428ZAA, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4770-389X","authenticated-orcid":false,"given":"Robert","family":"Frouin","sequence":"additional","affiliation":[{"name":"Scripps Institution of Oceanography, University of California San Diego, 8622 Kennel Way, La Jolla, CA 92037, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8834-4374","authenticated-orcid":false,"given":"Ana In\u00e9s","family":"Dogliotti","sequence":"additional","affiliation":[{"name":"Instituto de Astronom\u00eda y F\u00edsica del Espacio (IAFE), CONICET-Universidad de Buenos Aires, Pabell\u00f3n IAFE, Ciudad Universitaria, Ciudad Aut\u00f3noma de Buenos Aires C1428ZAA, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"443","DOI":"10.1364\/AO.33.000443","article-title":"Retrieval of Water-Leaving Radiance and Aerosol Optical Thickness Over the Oceans with SeaWIFS: A Preliminary Algorithm","volume":"33","author":"Gordon","year":"1994","journal-title":"Appl. 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